<template>
  <el-dialog
    title="新增员工"
    :visible="dialogVisible"
    @close="closeDialog"
    @click.native="isShowTree = false"
  >
    <el-form ref="addForm" :model="formData" :rules="rules" label-width="120px">
      <el-form-item label="姓名" prop="username">
        <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
      </el-form-item>
      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
          <el-option v-for="item in hireType" :key="item.id" :label="item.value" :value="item.id" />
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <!-- disabled 禁用 样式需要处理
             readonly 只读
             Input 为受控组件 将v-model处理成:value
        -->
        <el-input
          :value="formData.departmentName"
          style="width:50%"
          placeholder="请选择部门"
          @click.native.stop="getDepts"
        />
        <!-- 部门列表树形数据展示 label展示的文本 父子依赖关系是children-->
        <div v-if="isShowTree" class="tree-box">
          <el-tree :data="depts" :props="{label: 'name'}" @node-click="handleClick" />
        </div>
      </el-form-item>
      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
      </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
      <el-button @click="closeDialog">取 消</el-button>
      <el-button type="primary" @click="addEmployee">确 定</el-button>
    </span>
  </el-dialog>
</template>

<script>
import { reqGetDepartments } from '@/api/departments'
import { tranListToTreeData } from '@/utils/index'
import employeeMenu from '@/constant/employees'
import { reqAddEmployee } from '@/api/employees'
export default {
  props: {
    dialogVisible: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: ['blur', 'change'] },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: ['blur', 'change'] },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: ['blur', 'change'] }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: ['blur', 'change'] }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: ['blur', 'change'] }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: ['blur', 'change'] }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: ['blur', 'change'] }
        ]
      },
      // 部门列表数据-树形数据
      depts: [],
      isShowTree: false, // 控制树形数据点击显示与隐藏的布尔值
      hireType: employeeMenu.hireType // 聘用形式
    }
  },
  methods: {
    closeDialog() {
      // 通知父组件修改布尔值为false
      this.$emit('update:dialogVisible', false)
      this.$refs.addForm.resetFields()
    },
    // 点击获取部门列表
    async getDepts() {
      this.isShowTree = !this.isShowTree
      if (this.isShowTree) {
        const { data } = await reqGetDepartments()
        this.depts = tranListToTreeData(data.depts, '')
      }
    },
    // 点击树形数据节点触发的处理函数
    // data当前节点的数据  node节点对应的 Node vcom 当前节点组件
    handleClick(data, node, vcom) {
      // console.log(data, node, vcom)
      //  data当前节点的数据中有一个name字段就是部门名称, 将这个name赋值给formData中的departmentName
      // 显示没有子部门的部门才能被选中
      if (data.children.length === 0) {
        this.formData.departmentName = data.name
        // 选中完毕后隐藏树形数据结构
        this.isShowTree = false
      }
    },
    // 新增员工
    addEmployee() {
      // 1. 预校验
      this.$refs.addForm.validate(async boo => {
        if (boo) {
          // 2. 携带参数发送请求
          await reqAddEmployee(this.formData)
          // 3. 关闭对话框
          this.closeDialog()
          // 4. 重新渲染
          // console.log(this.$parent) 慎用
          // 发布自定义事件通知employee重新渲染
          this.$emit('reload')
        }
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.tree-box{
  border: 1px solid #ccc;
  width: 50%;
  position: absolute;
  z-index: 99999;
  border-radius: 5px;
  overflow: hidden;
  top: 50px;
}
</style>
